使用promise测试

database/db.js

@@ -0,0 +1,68 @@
+var mysql = require('mysql');
+var client = mysql.createConnection({
+    host: '127.0.0.1',
+    user: 'lcq',
+    password: 'fendoubuxi596320',
+    database: 'mybookmarks',
+    multipleStatements: true,
+    port: 3306
+});
+client.connect();
+
+var db = {
+
+}
+
+db.insertBookmark = function(user_id, bookmark) {
+    var sql = "INSERT INTO `bookmarks` (`user_id`, `title`, `description`, `url`, `public`, `click_count`) VALUES ('" + user_id + "', '" + bookmark.title + "', '" + bookmark.description + "', '" + bookmark.url + "', '" + bookmark.public + "', '1')";
+    return new Promise(function(resolve, reject) {
+        client.query(sql, (err, result) => {
+            if (err) {
+                reject(err);
+            } else {
+                resolve(result.insertId);
+            }
+        });
+    });
+};
+
+db.insertTagsBookmarks = function(tags, bookmard_id) {
+    sql = "INSERT INTO `tags_bookmarks` (`tag_id`, `bookmark_id`) VALUES";
+    for (var i = 0; i < tags.length; i++) {
+        if (i >= 1) {
+            sql += ','
+        }
+        sql += "('" + tags[i] + "', '" + bookmard_id + "')";
+    }
+    return new Promise(function(resolve, reject) {
+        client.query(sql, (err, result) => {
+            if (err) {
+                reject(err);
+            } else {
+                resolve();
+            }
+        });
+    });
+}
+
+db.updateLastUseTags = function(user_id, tags) {
+    sql = "UPDATE tags SET last_use = NOW() WHERE user_id = '" + user_id + "' AND id in (";
+    for (var i = 0; i < tags.length; i++) {
+        if (i >= 1) {
+            sql += ','
+        }
+        sql += "'" + tags[i] + "'";
+    }
+    sql += ')'
+    return new Promise(function(resolve, reject) {
+        client.query(sql, (err, result) => {
+            if (err) {
+                reject(err);
+            } else {
+                resolve();
+            }
+        });
+    });
+}
+
+module.exports = db;

routes/api.js

@@ -4,8 +4,9 @@ var crypto = require('crypto');
 var http = require('http');
 var https = require('https');
 var cheerio = require('cheerio');
-var request = require('request')
+var request = require('request');
-var iconv = require('iconv-lite')
+var iconv = require('iconv-lite');
+var db = require('./database/db.js');
 var client = mysql.createConnection({
     host: '127.0.0.1',
     user: 'lcq',
@@ -17,6 +18,13 @@ var client = mysql.createConnection({
 client.connect();
 
 api.post('/getTitle', function(req, response) {
+    // request
+    //     .get('https://www.baidu.com/')
+    //     .on('response', function(response) {
+    //         console.log(response.statusCode) // 200
+    //         console.log(response.headers) // 'image/png'
+    //     })
+
     var params = req.body.params;
     var url = params.url;
 
@@ -30,23 +38,27 @@ api.post('/getTitle', function(req, response) {
         }
     }
     request(options, function(err, res, body) {
-        var charset = "utf-8";
+        var title = '';
-        var arr = body.toString().match(/<meta([^>]*?)>/g);
+        if (!err && response.statusCode == 200) {
-        if (arr) {
+            var charset = "utf-8";
-            arr.forEach(function(val) {
+            var arr = body.toString().match(/<meta([^>]*?)>/g);
-                var match = val.match(/charset\s*=\s*(.+)\"/);
+            if (arr) {
-                if (match && match[1]) {
+                arr.forEach(function(val) {
-                    if (match[1].substr(0, 1) == '"') match[1] = match[1].substr(1);
+                    var match = val.match(/charset\s*=\s*(.+)\"/);
-                    charset = match[1].trim();
+                    if (match && match[1]) {
-                    return false;
+                        if (match[1].substr(0, 1) == '"') match[1] = match[1].substr(1);
-                }
+                        charset = match[1].trim();
-            })
+                        return false;
+                    }
+                })
+            }
+            var html = iconv.decode(body, charset);
+            var $ = cheerio.load(html, {
+                decodeEntities: false
+            });
+            title = $("title").text();
         }
-        var html = iconv.decode(body, charset);
+
-        var $ = cheerio.load(html, {
-            decodeEntities: false
-        })
-        var title = $("title").text();
         console.log(title);
         response.json({
             title: title || '',